Mouthwatering Keto Chilean Seabass Recipe with Tomato and Olive Tapenade

Indulge in the Rich Flavors of Keto Chilean Seabass with Tomato and Olive Tapenade

Embark on a culinary journey that satisfies your taste buds and adheres to your keto lifestyle with our Keto Chilean Seabass with Tomato and Olive Tapenade. This dish is a symphony of flavors, combining the buttery lushness of seabass with the zesty, briny kick of a homemade tapenade. Perfect for a sophisticated dinner or a nutritious weeknight meal, this recipe is a testament to the versatility and indulgence possible on a low-carb, high-fat diet.

Not only is this seabass recipe a delight to the senses, but it’s also packed with healthy fats and lean protein, making it an excellent choice for those looking to maintain ketosis while enjoying a decadent meal. The simplicity of the ingredients allows the natural flavors to shine, creating a dish that’s as easy to prepare as it is impressive to serve.

Keto Chilean Seabass with Tomato and Olive Tapenade

The Origin and Keto Benefits of This Luxurious Seabass Recipe

The inspiration for this Keto Chilean Seabass with Tomato and Olive Tapenade comes from the coastal regions where fresh seafood is a staple. By fusing the rich textures of seabass with the Mediterranean flavors of tomato and olive tapenade, this dish is a celebration of international cuisine adapted for the keto diet.

Chilean seabass, known for its high-fat content, is an ideal choice for keto dieters. Its succulent texture and ability to absorb flavors make it a prime canvas for the tangy and savory tapenade. The tapenade itself, a blend of cherry tomatoes, Kalamata olives, capers, and fresh basil, is not only bursting with taste but also low in carbs and high in fats, aligning perfectly with keto principles.

Each ingredient has been chosen for its nutritional profile and ability to contribute to the overall balance of the dish. The olive oil used to sear the fish is a staple in the keto diet, providing monounsaturated fats that are heart-healthy and beneficial for maintaining ketosis. The capers and olives add minimal carbs while delivering a punch of flavor and texture that elevates the seabass to a restaurant-quality meal.

Moreover, the inclusion of antioxidant-rich cherry tomatoes and basil not only adds a pop of color but also provides essential vitamins and minerals without significantly increasing the carb count. This dish is a testament to the fact that keto eating can be both nutritious and gourmet, proving that a diet focused on health can also be a journey of flavor discovery.

Preparing Keto Chilean Seabass

Mastering the Method for Perfect Keto Chilean Seabass

Creating the perfect Keto Chilean Seabass with Tomato and Olive Tapenade is all about technique and timing. Begin by ensuring your seabass fillets are at room temperature to promote even cooking. Pat them dry to remove excess moisture, which is crucial for achieving that crispy, golden skin when searing.

When heating your olive oil, wait until it shimmers to indicate it’s ready for the fish. Place the fillets skin-side down and resist the urge to move them; this patience allows the skin to crisp up without sticking. Once you’ve flipped the fillets, the oven will do the rest of the work, baking the seabass to flaky perfection.

While the fish cooks, focus on the tapenade. This is where you can let your creativity shine. Don’t hesitate to taste as you go, adjusting the red wine vinegar for tanginess or the red pepper flakes for heat. Remember, the tapenade should complement the fish, not overpower it, so aim for a balance of flavors that enhances the buttery seabass.

Finally, let your seabass rest briefly after removing it from the oven. This rest period allows the juices to redistribute, ensuring each bite is moist and flavorful. Serve with the tapenade spooned over the top for a visually stunning and palate-pleasing presentation.

Keto Chilean Seabass Ready to Serve

Variations to Customize Your Keto Seabass Experience

Herb-Infused Seabass

For an aromatic twist, create a herb crust for your seabass by combining chopped herbs like rosemary, thyme, and parsley with grated parmesan. Press this mixture onto the fillets before searing for a fragrant and flavorful crust that’s still keto-friendly.

Spicy Tapenade

If you enjoy a bit more heat, add diced jalapeños or a splash of hot sauce to your tapenade. This variation introduces a spicy element that contrasts beautifully with the mild, buttery seabass.

Citrus-Enhanced Tapenade

Brighten up your tapenade with the zest and juice of a lemon or lime. The citrus notes will cut through the richness of the fish and add a refreshing zing to each bite.

Substitutions to Tailor the Recipe to Your Taste

Understanding that dietary needs and preferences vary, here are some substitutions to keep the recipe keto while catering to different palates:

For those who prefer a milder fish, halibut or cod can be used in place of seabass. These alternatives are still low in carbs and high in protein, aligning with keto goals.

If you’re not a fan of olives, consider using sun-dried tomatoes or artichoke hearts for a different yet compatible flavor profile in your tapenade.

For a dairy-free option, omit the parmesan in the herb crust variation and use nutritional yeast instead for a similar cheesy flavor without the lactose.

Frequently Asked Questions

Can I use frozen seabass for this recipe?
Yes, frozen seabass can be used. Just ensure it’s fully thawed and patted dry to achieve the desired sear on the skin.

Is this recipe suitable for meal prep?
Absolutely! The tapenade can be made in advance and the seabass reheated gently to preserve its texture.

How can I ensure my tapenade isn’t too salty?
Since olives and capers are briny, taste as you go and adjust seasoning accordingly. You may not need extra salt.

Can I grill the seabass instead of baking?
Grilling is a great alternative cooking method for a smoky flavor. Just be cautious not to overcook the delicate fish.

What sides pair well with this dish?
A simple green salad or steamed asparagus complements the flavors without adding many carbs.

With these tips and variations, you’re well-equipped to create a stunning Keto Chilean Seabass with Tomato and Olive Tapenade that’s sure to impress any dinner guest while keeping you firmly within your keto goals.

Keto Chilean Seabass with Tomato and Olive Tapenade

This Keto Chilean Seabass with Tomato and Olive Tapenade is a luxurious and flavorful dish, perfect for anyone following a low-carb, high-fat diet. The rich, buttery taste of the seabass melds beautifully with the tangy and briny tapenade, creating a meal that's as nutritious as it is delicious.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Dinner
Cuisine Keto, Seafood
Servings 4 servings
Calories 350 kcal


  • Oven-proof skillet
  • Mixing bowl
  • Cutting board
  • Chef’s knife
  • Measuring cups and spoons



  • 4 fillets Chilean seabass 6 ounces each / 170 grams each
  • 2 tbsp olive oil 30 ml
  • 1 tsp sea salt 5 g
  • ½ tsp black pepper 1 g

Tomato and Olive Tapenade

  • 1 cup cherry tomatoes halved, 150 g
  • ½ cup pitted Kalamata olives chopped, 75 g
  • ¼ cup fresh basil leaves chopped, 6 g
  • 2 tbsp capers drained, 30 g
  • 1 tbsp extra-virgin olive oil 15 ml
  • 1 tbsp red wine vinegar 15 ml
  • 1 clove garlic minced, 3 g
  • ¼ tsp red pepper flakes 0.5 g


  • Preheat the oven to 400°F (200°C).
  • Pat the seabass fillets dry with paper towels and season both sides with sea salt and black pepper.
  • Heat olive oil in a large, oven-proof skillet over medium-high heat. Once hot, add the seabass fillets, skin-side down, and sear for 3-4 minutes until the skin is golden and crispy.
  • Flip the fillets over and transfer the skillet to the preheated oven. Bake for 10-12 minutes, or until the fish flakes easily with a fork.
  • While the fish is cooking, prepare the tapenade. In a bowl, combine the cherry tomatoes, olives, basil, capers, extra-virgin olive oil, red wine vinegar, minced garlic, and red pepper flakes. Stir well to mix.
  • Once the fish is done, remove from the oven and let it rest for a couple of minutes.
  • Serve the seabass hot, topped with a generous spoonful of the tomato and olive tapenade.


Ensure your seabass fillets are sustainably sourced to support ocean health.
The tapenade can be made ahead and stored in the refrigerator for up to two days, allowing the flavors to meld together even more.
Adjust the red pepper flakes according to your desired level of heat.


Calories: 350kcalCarbohydrates: 4gProtein: 34gFat: 22gFiber: 1gNet Carbs: 3g
Keyword Healthy Fats, Keto Dinner, Keto Fish Recipe, Keto Seabass, Low Carb Seafood, Tomato Olive Tapenade
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